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Discussion Starter #1
not building the motor yet but just looking at the rear end right now lol
373 gears
Mustang 8.8" Rear End Gears at AmericanMuscle.com - Free Shipping!
gear installation kit
Mustang Rear End Installation Kit at AmericanMuscle.com - Free Shipping!
rear end girdle
GMS 79-06 8.8 Rear End Girdle System
posi lsd
Eaton Posi Limited Slip 8.8in 31 Spline Differential
31 spine axles
Moser 31 Spline Mustang Axles for 8.8in Rear w/ Studs (99-04 GT, Bullitt, & Mach 1)
am i missing anything? is there something i dont need on this list?? something else you would go with?? thanks for any help
 

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yeah thats fine but that can be the last thing you do.. stock gt rear end is pretty damn good up to mid 400 hp to the wheels if not a lil more..
 

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You can also get a 31 spline diff out of an explorer and throw those Moser's in and that will hold plenty. Maybe upgrade the clutches in it.
 

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yeah thats fine but that can be the last thing you do.. stock gt rear end is pretty damn good up to mid 400 hp to the wheels if not a lil more..
all depends what kind of suspension you have under it. i snapped a axle with 260rwhp on its second launch.
that wouldnt be a bad set up but like some of the others said you can do it cheaper with a diff out of a explorer
 

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I dont know about the 3.73s but thats just preference...but im sure that the 31 diff and w/ the 31 splines should be more than enough.
 

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You'll need to have the ABS gears pressed off and pressed on the Moser's. You also need a rebuild (half) kit if your doing it yourself. It will have all the bearings, new pinion nut, crush sleeve, gear marking grease and rear gear to differential bolts.
 
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